Bug 422122

Summary: Settings crashed after turning on Sheet plugin in Desktop Effects
Product: [Frameworks and Libraries] frameworks-knewstuff Reporter: Gobinda Goshwami <gobinda.joy>
Component: generalAssignee: Jeremy Whiting <jpwhiting>
Status: RESOLVED DUPLICATE    
Severity: crash CC: admin, gobinda.joy, kdelibs-bugs, nate, notmart
Priority: NOR Keywords: drkonqi
Version: 5.70.0   
Target Milestone: ---   
Platform: Fedora RPMs   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:
Attachments: New crash information added by DrKonqi

Description Gobinda Goshwami 2020-05-27 02:22:39 UTC 
Application: systemsettings5 (5.18.5)

Qt Version: 5.13.2
Frameworks Version: 5.68.0
Operating System: Linux 5.6.14-300.fc32.x86_64 x86_64
Windowing system: X11
Distribution: Fedora 32 (Thirty Two)

-- Information about the crash:
- What I was doing when the application crashed:

Changing settings for Desktop Effects in Workspace Behavior.
Crashed right after I turned on Sheet plugin in Candy category.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f0e5df9a800 (LWP 2958))]

Thread 28 (Thread 0x7f0ddcaae700 (LWP 3020)):
#0  0x00007f0e62081b6f in poll () from /lib64/libc.so.6
#1  0x00007f0e603eaace in g_main_context_iterate.constprop () from /lib64/libglib-2.0.so.0
#2  0x00007f0e603eac03 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f0e625dac23 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f0e6258e21b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f0e62402577 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f0e62403846 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#7  0x00007f0e60d66432 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f0e6208c9d3 in clone () from /lib64/libc.so.6

Thread 27 (Thread 0x7f0ddda60700 (LWP 3018)):
#0  0x00007f0e604391e8 in g_mutex_unlock () from /lib64/libglib-2.0.so.0
#1  0x00007f0e603eab38 in g_main_context_iterate.constprop () from /lib64/libglib-2.0.so.0
#2  0x00007f0e603eac03 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f0e625dac23 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f0e6258e21b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f0e62402577 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f0e62403846 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#7  0x00007f0e60d66432 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f0e6208c9d3 in clone () from /lib64/libc.so.6

Thread 26 (Thread 0x7f0df1372700 (LWP 3011)):
#0  0x00007f0e60d6ce92 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f0e495391db in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f0e49538cab in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f0e60d66432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f0e6208c9d3 in clone () from /lib64/libc.so.6

Thread 25 (Thread 0x7f0dde6ba700 (LWP 3009)):
#0  0x00007f0e603e887c in g_source_ref () from /lib64/libglib-2.0.so.0
#1  0x00007f0e603e8948 in g_source_iter_next () from /lib64/libglib-2.0.so.0
#2  0x00007f0e603e9f03 in g_main_context_prepare () from /lib64/libglib-2.0.so.0
#3  0x00007f0e603ea9fb in g_main_context_iterate.constprop () from /lib64/libglib-2.0.so.0
#4  0x00007f0e603eac03 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#5  0x00007f0e625dac23 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f0e6258e21b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#7  0x00007f0e62402577 in QThread::exec() () from /lib64/libQt5Core.so.5
#8  0x00007f0e6171bd89 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#9  0x00007f0e62403846 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#10 0x00007f0e60d66432 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f0e6208c9d3 in clone () from /lib64/libc.so.6

Thread 24 (Thread 0x7f0df1b73700 (LWP 2987)):
#0  0x00007f0e60d6ce92 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f0e495391db in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f0e49538cab in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f0e60d66432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f0e6208c9d3 in clone () from /lib64/libc.so.6

Thread 23 (Thread 0x7f0df26cb700 (LWP 2986)):
#0  0x00007f0e60d6ce92 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f0e495391db in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f0e49538cab in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f0e60d66432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f0e6208c9d3 in clone () from /lib64/libc.so.6

Thread 22 (Thread 0x7f0df36cc700 (LWP 2985)):
#0  0x00007f0e60d6ce92 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f0e495391db in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f0e49538cab in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f0e60d66432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f0e6208c9d3 in clone () from /lib64/libc.so.6

Thread 21 (Thread 0x7f0df3ecd700 (LWP 2984)):
#0  0x00007f0e60d6ce92 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f0e495391db in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f0e49538cab in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f0e60d66432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f0e6208c9d3 in clone () from /lib64/libc.so.6

Thread 20 (Thread 0x7f0e09d34700 (LWP 2983)):
#0  0x00007f0e604391e8 in g_mutex_unlock () from /lib64/libglib-2.0.so.0
#1  0x00007f0e603eab38 in g_main_context_iterate.constprop () from /lib64/libglib-2.0.so.0
#2  0x00007f0e603eac03 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f0e625dac23 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f0e6258e21b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f0e62402577 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f0e6171bd89 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#7  0x00007f0e62403846 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f0e60d66432 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f0e6208c9d3 in clone () from /lib64/libc.so.6

Thread 19 (Thread 0x7f0e0b3cb700 (LWP 2981)):
#0  0x00007f0e62081b6f in poll () from /lib64/libc.so.6
#1  0x00007f0e603eaace in g_main_context_iterate.constprop () from /lib64/libglib-2.0.so.0
#2  0x00007f0e603eac03 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f0e625dac23 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f0e6258e21b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f0e62402577 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f0e6171bd89 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#7  0x00007f0e62403846 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f0e60d66432 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f0e6208c9d3 in clone () from /lib64/libc.so.6

Thread 18 (Thread 0x7f0e0bfff700 (LWP 2979)):
#0  0x00007f0e60d6ce92 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f0e495391db in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f0e49538cab in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f0e60d66432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f0e6208c9d3 in clone () from /lib64/libc.so.6

Thread 17 (Thread 0x7f0e20ff9700 (LWP 2978)):
#0  0x00007f0e60d6ce92 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f0e495391db in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f0e49538cab in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f0e60d66432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f0e6208c9d3 in clone () from /lib64/libc.so.6

Thread 16 (Thread 0x7f0e217fa700 (LWP 2977)):
#0  0x00007f0e60d6ce92 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f0e495391db in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f0e49538cab in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f0e60d66432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f0e6208c9d3 in clone () from /lib64/libc.so.6

Thread 15 (Thread 0x7f0e21ffb700 (LWP 2976)):
#0  0x00007f0e60d6ce92 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f0e495391db in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f0e49538cab in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f0e60d66432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f0e6208c9d3 in clone () from /lib64/libc.so.6

Thread 14 (Thread 0x7f0e227fc700 (LWP 2975)):
#0  0x00007f0e60d6ce92 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f0e495391db in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f0e49538cab in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f0e60d66432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f0e6208c9d3 in clone () from /lib64/libc.so.6

Thread 13 (Thread 0x7f0e22ffd700 (LWP 2974)):
#0  0x00007f0e60d6ce92 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f0e495391db in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f0e49538cab in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f0e60d66432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f0e6208c9d3 in clone () from /lib64/libc.so.6

Thread 12 (Thread 0x7f0e237fe700 (LWP 2973)):
#0  0x00007f0e60d6ce92 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f0e495391db in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f0e49538cab in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f0e60d66432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f0e6208c9d3 in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7f0e23fff700 (LWP 2972)):
#0  0x00007f0e60d6ce92 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f0e495391db in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f0e49538cab in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f0e60d66432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f0e6208c9d3 in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7f0e3c957700 (LWP 2971)):
#0  0x00007f0e60d6ce92 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f0e495391db in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f0e49538cab in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f0e60d66432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f0e6208c9d3 in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7f0e3d158700 (LWP 2970)):
#0  0x00007f0e60d6ce92 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f0e495391db in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f0e49538cab in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f0e60d66432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f0e6208c9d3 in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7f0e3d959700 (LWP 2969)):
#0  0x00007f0e60d6ce92 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f0e495391db in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f0e49538cab in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f0e60d66432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f0e6208c9d3 in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f0e3e15a700 (LWP 2968)):
#0  0x00007f0e60d6ce92 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f0e495391db in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f0e49538cab in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f0e60d66432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f0e6208c9d3 in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f0e3e95b700 (LWP 2967)):
#0  0x00007f0e60d6ce92 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f0e495391db in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f0e49538cab in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f0e60d66432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f0e6208c9d3 in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f0e3f15c700 (LWP 2966)):
#0  0x00007f0e60d6ce92 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f0e495391db in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f0e49538cab in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f0e60d66432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f0e6208c9d3 in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f0e49019700 (LWP 2965)):
#0  0x00007f0e60d6ce92 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f0e495391db in util_queue_thread_func () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f0e49538cab in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f0e60d66432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f0e6208c9d3 in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f0e4be06700 (LWP 2961)):
#0  0x00007f0e604391e8 in g_mutex_unlock () from /lib64/libglib-2.0.so.0
#1  0x00007f0e603ea2cd in g_main_context_query () from /lib64/libglib-2.0.so.0
#2  0x00007f0e603eaa48 in g_main_context_iterate.constprop () from /lib64/libglib-2.0.so.0
#3  0x00007f0e603eac03 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007f0e625dac23 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f0e6258e21b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f0e62402577 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007f0e628514da in QDBusConnectionManager::run() () from /lib64/libQt5DBus.so.5
#8  0x00007f0e62403846 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007f0e60d66432 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f0e6208c9d3 in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f0e50c8c700 (LWP 2960)):
#0  0x00007f0e62081b6f in poll () from /lib64/libc.so.6
#1  0x00007f0e60d2338a in _xcb_conn_wait () from /lib64/libxcb.so.1
#2  0x00007f0e60d2571a in xcb_wait_for_event () from /lib64/libxcb.so.1
#3  0x00007f0e50e80d58 in QXcbEventQueue::run() () from /lib64/libQt5XcbQpa.so.5
#4  0x00007f0e62403846 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#5  0x00007f0e60d66432 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f0e6208c9d3 in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f0e5df9a800 (LWP 2958)):
[KCrash Handler]
#6  0x00007f0e625b8956 in QObjectPrivate::addConnection(int, QObjectPrivate::Connection*) () from /lib64/libQt5Core.so.5
#7  0x00007f0e625b95c3 in QObjectPrivate::connectImpl(QObject const*, int, QObject const*, void**, QtPrivate::QSlotObjectBase*, Qt::ConnectionType, int const*, QMetaObject const*) () from /lib64/libQt5Core.so.5
#8  0x00007f0e625b9a02 in QObject::connectImpl(QObject const*, void**, QObject const*, void**, QtPrivate::QSlotObjectBase*, Qt::ConnectionType, int const*, QMetaObject const*) () from /lib64/libQt5Core.so.5
#9  0x00007f0df27b268d in KNSCore::Engine::loadProviders() () from /lib64/libKF5NewStuffCore.so.5
#10 0x00007f0df27b3e22 in KNSCore::Engine::init(QString const&) () from /lib64/libKF5NewStuffCore.so.5
#11 0x00007f0df2837ed4 in KNS3::DownloadWidgetPrivate::init(QString const&) () from /lib64/libKF5NewStuff.so.5
#12 0x00007f0df28388e1 in KNS3::DownloadWidget::init(QString const&) () from /lib64/libKF5NewStuff.so.5
#13 0x00007f0df2835e43 in KNS3::DownloadDialog::init(QString const&) () from /lib64/libKF5NewStuff.so.5
#14 0x00007f0df28b9a71 in KWin::DesktopEffectsKCM::openGHNS(QQuickItem*) () from /usr/lib64/qt5/plugins/kcms/kcm_kwin_effects.so
#15 0x00007f0df28b94d3 in KWin::DesktopEffectsKCM::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/qt5/plugins/kcms/kcm_kwin_effects.so
#16 0x00007f0e616cb3a5 in QQmlObjectOrGadget::metacall(QMetaObject::Call, int, void**) const () from /lib64/libQt5Qml.so.5
#17 0x00007f0e615c98aa in CallPrecise(QQmlObjectOrGadget const&, QQmlPropertyData const&, QV4::ExecutionEngine*, QV4::CallData*, QMetaObject::Call) () from /lib64/libQt5Qml.so.5
#18 0x00007f0e615cb66d in QV4::QObjectMethod::callInternal(QV4::Value const*, QV4::Value const*, int) const () from /lib64/libQt5Qml.so.5
#19 0x00007f0e615e4eaa in QV4::Moth::VME::interpret(QV4::CppStackFrame*, QV4::ExecutionEngine*, char const*) () from /lib64/libQt5Qml.so.5
#20 0x00007f0e615e78d3 in QV4::Moth::VME::exec(QV4::CppStackFrame*, QV4::ExecutionEngine*) () from /lib64/libQt5Qml.so.5
#21 0x00007f0e61583fdf in QV4::Function::call(QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext const*) () from /lib64/libQt5Qml.so.5
#22 0x00007f0e616ee794 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () from /lib64/libQt5Qml.so.5
#23 0x00007f0e61696df1 in QQmlBoundSignalExpression::evaluate(void**) () from /lib64/libQt5Qml.so.5
#24 0x00007f0e616973f0 in QQmlBoundSignal_callback(QQmlNotifierEndpoint*, void**) () from /lib64/libQt5Qml.so.5
#25 0x00007f0e616d370d in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /lib64/libQt5Qml.so.5
#26 0x00007f0e625b57d9 in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
#27 0x00007f0e500bd318 in QQuickAbstractButtonPrivate::handleRelease(QPointF const&) () from /lib64/libQt5QuickTemplates2.so.5
#28 0x00007f0e500d9a39 in QQuickControl::mouseReleaseEvent(QMouseEvent*) () from /lib64/libQt5QuickTemplates2.so.5
#29 0x00007f0e61ac6f08 in QQuickItem::event(QEvent*) () from /lib64/libQt5Quick.so.5
#30 0x00007f0e62f20e76 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#31 0x00007f0e6258f8a0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#32 0x00007f0e61ae1244 in QQuickWindowPrivate::deliverMouseEvent(QQuickPointerMouseEvent*) () from /lib64/libQt5Quick.so.5
#33 0x00007f0e61ae257b in QQuickWindowPrivate::deliverPointerEvent(QQuickPointerEvent*) () from /lib64/libQt5Quick.so.5
#34 0x00007f0e629d9af5 in QWindow::event(QEvent*) () from /lib64/libQt5Gui.so.5
#35 0x00007f0e62f20e76 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#36 0x00007f0e6258f8a0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#37 0x00007f0e61dbaa8b in QQuickWidget::mouseReleaseEvent(QMouseEvent*) () from /lib64/libQt5QuickWidgets.so.5
#38 0x00007f0e62f63208 in QWidget::event(QEvent*) () from /lib64/libQt5Widgets.so.5
#39 0x00007f0e62f20e76 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#40 0x00007f0e62f28671 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#41 0x00007f0e6258f8a0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#42 0x00007f0e62f2756a in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) () from /lib64/libQt5Widgets.so.5
#43 0x00007f0e62f7c732 in QWidgetWindow::handleMouseEvent(QMouseEvent*) () from /lib64/libQt5Widgets.so.5
#44 0x00007f0e62f7f69e in QWidgetWindow::event(QEvent*) () from /lib64/libQt5Widgets.so.5
#45 0x00007f0e62f20e76 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#46 0x00007f0e6258f8a0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#47 0x00007f0e629cea6b in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /lib64/libQt5Gui.so.5
#48 0x00007f0e629b25bb in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Gui.so.5
#49 0x00007f0e50e81d8e in xcbSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQt5XcbQpa.so.5
#50 0x00007f0e603ea7af in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#51 0x00007f0e603eab38 in g_main_context_iterate.constprop () from /lib64/libglib-2.0.so.0
#52 0x00007f0e603eac03 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#53 0x00007f0e625dac06 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#54 0x00007f0e6258e21b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#55 0x00007f0e62595df6 in QCoreApplication::exec() () from /lib64/libQt5Core.so.5
#56 0x00005570809e0884 in main ()
[Inferior 1 (process 2958) detached]

Possible duplicates by query: bug 398325, bug 389811.

Reported using DrKonqi
Comment 1 Gobinda Goshwami 2020-05-27 02:26:34 UTC 
Created attachment 128823 [details]
New crash information added by DrKonqi

systemsettings5 (5.18.5) using Qt 5.13.2

- What I was doing when the application crashed:

Open System Settings.
Navigate to Workspace Behavior.
Select Desktop Effects.
Click on Get New Desktop Effects button.
Closed it, and click on it again.

-- Backtrace (Reduced):
#6  0x00007fb7f2fb1956 in QObjectPrivate::addConnection(int, QObjectPrivate::Connection*) () from /lib64/libQt5Core.so.5
#7  0x00007fb7f2fb25c3 in QObjectPrivate::connectImpl(QObject const*, int, QObject const*, void**, QtPrivate::QSlotObjectBase*, Qt::ConnectionType, int const*, QMetaObject const*) () from /lib64/libQt5Core.so.5
#8  0x00007fb7f2fb2a02 in QObject::connectImpl(QObject const*, void**, QObject const*, void**, QtPrivate::QSlotObjectBase*, Qt::ConnectionType, int const*, QMetaObject const*) () from /lib64/libQt5Core.so.5
#9  0x00007fb79f2e568d in KNSCore::Engine::loadProviders() () from /lib64/libKF5NewStuffCore.so.5
#10 0x00007fb79f2e6e22 in KNSCore::Engine::init(QString const&) () from /lib64/libKF5NewStuffCore.so.5
Comment 2 Marco Martin 2020-05-27 09:40:52 UTC 
crash is in KNSCore::Engine::loadProviders()
Comment 3 Nate Graham 2020-12-01 19:10:46 UTC 

*** This bug has been marked as a duplicate of bug 426572 ***